What do first-tier, second-tier, third-tier and fourth-tier cities mean?

Selection criteria:

By collecting 170 commercial store data of mainstream consumer brands, 18 user behavior data of head internet companies in various fields, and urban big data of data institutions, 337 cities above prefecture level in China are evaluated according to five dimensions: concentration of commercial resources, urban hub, urban crowd activity, lifestyle diversity and future plasticity. The algorithm integrates the scoring method of the expert committee of the New First-tier Cities Research Institute and the principal component analysis method to get the final result, and selects the first-tier cities and cities.

Extended data

Divide the quantity:

There are 337 cities at or above the prefecture level (2065438+May 2009).

First-tier cities: 4.

New first-tier cities: 15.

Second tier cities: 30.

Third tier cities: 70.

Fourth-tier cities: 90.

Fifth-tier cities: 128.

Baidu Encyclopedia-China City New Rank Ranking